212210101212020 has 24 divisors (see below), whose sum is σ = 445642158552864. Its totient is φ = 84883860292896.

The previous prime is 212210101212007. The next prime is 212210101212041. The reversal of 212210101212020 is 20212101012212.

It is a self number, because there is not a number n which added to its sum of digits gives 212210101212020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394054 + ... + 20648573.

It is an arithmetic number, because the mean of its divisors is an integer number (18568423273036).

Almost surely, 2^{212210101212020} is an apocalyptic number.

212210101212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210101212020 is an abundant number, since it is smaller than the sum of its proper divisors (233432057340844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212210101212020 is a wasteful number, since it uses less digits than its factorization.

212210101212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22523999 (or 22523997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212210101212020 its reverse (20212101012212), we get a palindrome (232422202224232).

The spelling of 212210101212020 in words is "two hundred twelve trillion, two hundred ten billion, one hundred one million, two hundred twelve thousand, twenty".